digestive system
They both can be made by humans and they both can be natural.
Systems that run by themselves and don't need humans to control them.
Evolution.
i think they do
One example is pollination, where humans plant flowers to attract bees. Bees then collect nectar and pollen from the flowers, helping to pollinate them. This interaction benefits both humans, through increased crop yields, and bees, through a food source.
Same as humans
humans
Yes. You have MN system of blood group in humans.
Biometrics is the system of identifying humans through personal characteristics. Examples of biometric systems include the scanning of the iris/retina, fingerprint scanning, and handwriting scanning. Another example of a biometric system is the scanning of the voice in order to recognise the speaker.
All human made system are embedded to natural world and important interfaces often exist between them. a- Natural systems are those that came into being by natural processes. For example, the food chain and the water cycle. b- Human Made systems are those in which human being intervened through component, attributes, or relationships. For example, the set of solution that applied to the problem of flooding on the Nail River.
yes i think
down in our pelvis